Home / 396,923.23-547,764.56-227,212.03

Finding the Fourth Proportional to 396,923.23, 547,764.56 and 227,212.03

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Solution

The fourth proportional to 396,923.23, 547,764.56 and 227,212.03 is: 313,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,923.23 : 547,764.56 = 227,212.03 : x
  2. Step 2: Convert to fraction form
    396,923.23/547,764.56 = 227,212.03/x
  3. Step 3: Cross multiply
    396,923.23x = 547,764.56 × 227,212.03
  4. Step 4: Simplify right side
    396,923.23x = 124,458,697,639.66
  5. Step 5: Solve for x
    x = 124,458,697,639.66/396,923.23
  6. Step 6: Final answer
    x = 313,558.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.